ntsc_period_low:
  .byte $26, $5b, $9b, $e6, $3b, $99, $01, $71
  .byte $e9, $69, $f0, $7e, $12, $ad, $4d, $f2
  .byte $9d, $4c, $00, $b8, $74, $34, $f7, $be
  .byte $88, $56, $26, $f8, $ce, $a5, $7f, $5b
  .byte $39, $19, $fb, $de, $c3, $aa, $92, $7b
  .byte $66, $52, $3f, $2d, $1c, $0c, $fd, $ee
  .byte $e1, $d4, $c8, $bd, $b2, $a8, $9f, $96
  .byte $8d, $85, $7e, $76, $70, $69, $63, $5e
  .byte $58, $53, $4f, $4a, $46, $42, $3e, $3a
  .byte $37, $34, $31, $2e, $2b, $29, $27, $24
  .byte $22, $20, $1e, $1c, $1b, $19, $18, $16
  .byte $15, $14, $13, $11, $10, $0f, $0e, $0d
  .byte $0d, $0c, $0b, $0a, $0a, $09, $09, $08
  .byte $07, $07, $06, $06, $06, $05, $05, $04
  .byte $04, $04, $04, $03, $03, $03, $02, $02
  .byte $02, $02, $02, $01, $01, $01, $01, $01
ntsc_period_high:
  .byte $0e, $0d, $0c, $0b, $0b, $0a, $0a, $09
  .byte $08, $08, $07, $07, $07, $06, $06, $05
  .byte $05, $05, $05, $04, $04, $04, $03, $03
  .byte $03, $03, $03, $02, $02, $02, $02, $02
  .byte $02, $02, $01, $01, $01, $01, $01, $01
  .byte $01, $01, $01, $01, $01, $01, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
pal_period_low:
  .byte $25, $68, $b6, $0d, $6e, $d8, $4b, $c5
  .byte $47, $d0, $60, $f6, $92, $33, $da, $86
  .byte $36, $eb, $a5, $62, $23, $e7, $af, $7a
  .byte $48, $19, $ec, $c2, $9a, $75, $52, $30
  .byte $11, $f3, $d7, $bc, $a3, $8c, $75, $60
  .byte $4c, $3a, $28, $17, $08, $f9, $eb, $dd
  .byte $d1, $c5, $ba, $af, $a5, $9c, $93, $8b
  .byte $83, $7c, $75, $6e, $68, $62, $5c, $57
  .byte $52, $4d, $49, $45, $41, $3d, $3a, $36
  .byte $33, $30, $2d, $2b, $28, $26, $24, $22
  .byte $20, $1e, $1c, $1a, $19, $17, $16, $15
  .byte $13, $12, $11, $10, $0f, $0e, $0d, $0c
  .byte $0c, $0b, $0a, $0a, $09, $08, $08, $07
  .byte $07, $06, $06, $05, $05, $05, $04, $04
  .byte $04, $03, $03, $03, $03, $02, $02, $02
  .byte $02, $02, $01, $01, $01, $01, $01, $01
pal_period_high:
  .byte $0d, $0c, $0b, $0b, $0a, $09, $09, $08
  .byte $08, $07, $07, $06, $06, $06, $05, $05
  .byte $05, $04, $04, $04, $04, $03, $03, $03
  .byte $03, $03, $02, $02, $02, $02, $02, $02
  .byte $02, $01, $01, $01, $01, $01, $01, $01
  .byte $01, $01, $01, $01, $01, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
  .byte $00, $00, $00, $00, $00, $00, $00, $00
